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相关论文: Feature Extraction and Feature Selection: Reducing…

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Most existing work on event extraction has focused on sentence-level texts and presumes the identification of a trigger-span -- a word or phrase in the input that evokes the occurrence of an event of interest. Event arguments are then…

计算与语言 · 计算机科学 2025-06-30 Shaden Shaar , Wayne Chen , Maitreyi Chatterjee , Barry Wang , Wenting Zhao , Claire Cardie

In this paper, we analyze existing feature selection methods to identify the key elements of network traffic data that allow intrusion detection. In addition, we propose a new feature selection method that addresses the challenge of…

密码学与安全 · 计算机科学 2021-06-30 Firuz Kamalov , Sherif Moussa , Rita Zgheib , Omar Mashaal

Background: High-throughput proteomics techniques, such as mass spectrometry (MS)-based approaches, produce very high-dimensional data-sets. In a clinical setting one is often interested in how mass spectra differ between patients of…

Signal amplitude envelope allows to obtain information of the signal features for different applications. It is widely used to pre-process sound and other signals of physiological origin in human or animal studies. In order to obtain signal…

声音 · 计算机科学 2019-08-19 Cecilia Jarne

Computer-based interactive items have become prevalent in recent educational assessments. In such items, the entire human-computer interactive process is recorded in a log file and is known as the response process. This paper aims at…

应用统计 · 统计学 2025-01-08 Xueying Tang , Zhi Wang , Qiwei He , Jingchen Liu , Zhiliang Ying

Feature selection is a crucial step in developing robust and powerful machine learning models. Feature selection techniques can be divided into two categories: filter and wrapper methods. While wrapper methods commonly result in strong…

机器学习 · 计算机科学 2022-07-07 Jarne Verhaeghe , Jeroen Van Der Donckt , Femke Ongenae , Sofie Van Hoecke

Robust scene segmentation and keyframe extraction are essential preprocessing steps in video understanding pipelines, supporting tasks such as indexing, summarization, and semantic retrieval. However, existing methods often lack…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Vasilii Korolkov

Anomaly detection is a crucial step for preventing malicious activities in the network and keeping resources available all the time for legitimate users. It is noticed from various studies that classical anomaly detectors work well with…

密码学与安全 · 计算机科学 2020-02-17 Awais Ahmed , Sufian Hameed , Muhammad Rafi , Qublai Khan Ali Mirza

Unsupervised feature extraction algorithms form one of the most important building blocks in machine learning systems. These algorithms are often adapted to the event-based domain to perform online learning in neuromorphic hardware.…

神经与进化计算 · 计算机科学 2019-07-31 Saeed Afshar , Ying Xu , Jonathan Tapson , André van Schaik , Gregory Cohen

Feature selection is an important problem in high-dimensional data analysis and classification. Conventional feature selection approaches focus on detecting the features based on a redundancy criterion using learning and feature searching…

计算机视觉与模式识别 · 计算机科学 2012-01-31 Alex Pappachen James , Sima Dimitrijev

Selective data protection is a promising technique to defend against the data leakage attack. In this paper, we revisit technical challenges that were neglected when applying this protection to real applications. These challenges include…

密码学与安全 · 计算机科学 2021-06-01 Lin Ma , Jinyan Xu , Jiadong Sun , Yajin Zhou , Xun Xie , Wenbo Shen , Rui Chang , Kui Ren

The number of linked data sources and the size of the linked open data graph keep growing every day. As a consequence, semantic RDF services are more and more confronted to various "big data" problems. Query processing is one of them and…

数据库 · 计算机科学 2016-11-04 Hubert Naacke , Olivier Curé , Bernd Amann

As IoT devices continue to proliferate, their reliability is increasingly constrained by security concerns. In response, researchers have developed diverse malware analysis techniques to detect and classify IoT malware. These techniques…

密码学与安全 · 计算机科学 2025-09-29 Zhuoyun Qian , Hongyi Miao , Cheng Zhang , Qin Hu , Yili Jiang , Jiaqi Huang , Fangtian Zhong

Dynamic programming languages, such as PHP, JavaScript, and Python, provide built-in data structures including associative arrays and objects with similar semantics-object properties can be created at run-time and accessed via arbitrary…

软件工程 · 计算机科学 2014-05-07 David Hauzar , Jan Kofroň , Pavel Baštecký

Machine learning models are widely integrated into modern mobile apps to analyze user behaviors and deliver personalized services. Ensuring low-latency on-device model execution is critical for maintaining high-quality user experiences.…

机器学习 · 计算机科学 2026-03-24 Chen Gong , Zhenzhe Zheng , Yiliu Chen , Sheng Wang , Fan Wu , Guihai Chen

We introduce a novel exploratory technique, termed biarchetype analysis, which extends archetype analysis to simultaneously identify archetypes of both observations and features. This innovative unsupervised machine learning tool aims to…

统计方法学 · 统计学 2024-05-24 Aleix Alcacer , Irene Epifanio , Ximo Gual-Arnau

The scalability of process mining techniques is one of the main challenges to tackling the massive amount of event data produced every day in enterprise information systems. To this purpose, filtering and sampling techniques are proposed to…

数据库 · 计算机科学 2022-05-04 Alessandro Berti

Computer vision with state-of-the-art deep learning models has achieved huge success in the field of Optical Character Recognition (OCR) including text detection and recognition tasks recently. However, Key Information Extraction (KIE) from…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Wenwen Yu , Ning Lu , Xianbiao Qi , Ping Gong , Rong Xiao

Source data for computer network security analysis takes different forms (alerts, incidents, logs) and each source may be voluminous. Due to the challenge this presents for data management, this has often lead to security stovepipe…

密码学与安全 · 计算机科学 2007-05-23 William Yurcik , Cristina Abad , Ragib Hasan , Moazzam Saleem , Shyama Sridharan

Phishing emails are the first step for many of today's attacks. They come with a simple hyperlink, request for action or a full replica of an existing service or website. The goal is generally to trick the user to voluntarily give away his…

密码学与安全 · 计算机科学 2020-04-22 Suhail Paliath , Mohammad Abu Qbeitah , Monther Aldwairi